package text19090923;

import java.util.Scanner;

public class text19092304 {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a,b,c;
		a = scanner.nextInt();
		b = scanner.nextInt();
		c = scanner.nextInt();
		int sum=0;
		sum = (a/b)*(b/c);
		System.out.println(sum);
		scanner.close();
	}

}
